Allen County Climate
Allen County, Kansas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.0°F
Annual Precip
42.2"
Annual Snowfall
8.6"
Extreme Heat Days
45
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
4,207
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Allen County
Climate Verdict
Allen County has a mild, with an average annual temperature of 56.0°F, moderately wet with 42.2 inches of annual precipitation, occasional hot days — 45.150000000000006 per year above 90°F, light snow averaging 8.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 31.4°F. summers are warm — July averages 79.1°F. The 48°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Allen County closely matches the Kansas statewide average temperature of 54.8°F, it is also noticeably wetter, receiving 11.9 inches more precipitation than the state average.
Climate Profile
About Allen County Weather
Warmer and wetter than the national average
Allen County maintains an annual average temperature of 56.0°F, placing it several degrees above the national median. This humid subtropical climate receives 42.2 inches of rain annually, significantly outpacing the national precipitation trend.
A warm outlier in the Sunflower State
The county's average temperature of 56.0°F is notably higher than the Kansas state average of 54.8°F. Residents also experience 42.2 inches of precipitation, making it one of the wetter regions compared to the state average of 30.3 inches.
Warmer and wetter than northern neighbors
Allen County stays warmer on average than nearby Anderson County, which clocks in at 55.2°F. It also receives about one inch more annual rainfall than Anderson, reinforcing its status as a lush eastern Kansas corridor.
Hot summers with manageable winter snow
Summer heat is intense with 45 days reaching 90°F or higher and a July average of 79.1°F. Winters remain relatively mild, seeing only 8.6 inches of snow compared to the much heavier totals found in northern Kansas.
Prepare for humidity and summer heat
Residents should prioritize high-efficiency cooling systems to manage the 45 extreme heat days each year. With over 42 inches of rain, ensuring proper home drainage and gutter maintenance is essential for the wet spring months.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.